首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   54752篇
  免费   2957篇
  国内免费   191篇
耳鼻咽喉   1213篇
儿科学   2584篇
妇产科学   1548篇
基础医学   5800篇
口腔科学   3600篇
临床医学   3727篇
内科学   11730篇
皮肤病学   1536篇
神经病学   4554篇
特种医学   1678篇
外国民族医学   1篇
外科学   8637篇
综合类   552篇
一般理论   14篇
预防医学   3628篇
眼科学   1492篇
药学   3559篇
中国医学   349篇
肿瘤学   1698篇
  2023年   544篇
  2022年   734篇
  2021年   1838篇
  2020年   1120篇
  2019年   1537篇
  2018年   2138篇
  2017年   1514篇
  2016年   1722篇
  2015年   1726篇
  2014年   2454篇
  2013年   3098篇
  2012年   3998篇
  2011年   4184篇
  2010年   2405篇
  2009年   1835篇
  2008年   3037篇
  2007年   3027篇
  2006年   2911篇
  2005年   2727篇
  2004年   2668篇
  2003年   2303篇
  2002年   2191篇
  2001年   1454篇
  2000年   1349篇
  1999年   1105篇
  1998年   381篇
  1997年   265篇
  1996年   252篇
  1995年   164篇
  1994年   157篇
  1993年   108篇
  1992年   326篇
  1991年   311篇
  1990年   269篇
  1989年   226篇
  1988年   202篇
  1987年   179篇
  1986年   149篇
  1985年   137篇
  1984年   118篇
  1983年   99篇
  1981年   46篇
  1980年   42篇
  1979年   81篇
  1978年   62篇
  1973年   45篇
  1972年   49篇
  1971年   56篇
  1967年   66篇
  1966年   45篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
1.
2.
ABSTRACT

Objective: Dry eye is reported to be associated with several neurological diseases. The aim of this study is to evaluate the patients with hemiplegia after stroke for dry eye and compare their results with a control group.

Materials and methods: Forty-five patients with hemiplegia and 45 individuals as the control group were included in the study. Tear function tests (Schirmer and tear breakup time) and a dry eye questionnaire for dry eye symptoms (ocular surface disease index) were performed and the results of the two groups were compared.

Results: Schirmer test results were significantly lower in the post-stroke hemiplegia group compared to the control group (11.3 ± 8.2 mm and 20.6 ± 11.6 mm, respectively, p < .001). Tear breakup time results were significantly lower in the post-stroke hemiplegia group compared to the control group (7.9 ± 3.1 s and 12.1 ± 4.3 s, respectively, p < .001). Ocular surface disease index scores were not significantly different between hemiplegia and control groups (21.6 ± 20.0 and 19.8 ± 13.9, respectively, p = .635). Schirmer scores lower than 10 mm (60% and 30%, p < .001) and tear breakup time results lower than 10 s (65.6% and 28.9%, p < .001) were also higher in the hemiplegia group compared to control group.

Conclusion: We found lower Schirmer test and tear breakup time results and similar OSDI scores in hemiplegia patients compared to controls. Hemiplegia patients may have dry eye without typical symptoms. This should be taken into consideration in the follow-up and rehabilitation of post-stroke hemiplegia patients.  相似文献   
3.
4.
5.
6.
7.
8.
9.
10.

Background

Refractory acute myeloid leukemia (AML) includes AML includes failure of disease to respond to standard induction chemotherapy, relapse within 6 months after first CR, and 2 or more relapses. The outcome of these patients is usually very poor; only a small proportion can be rescued by allogenic hematopoietic stem-cell transplantation (allo-HSCT). The aim of this study was to evaluate the efficacy and feasibility of allo-HSCT in patients with refractory AML.

Patients and Methods

We retrospectively analyzed the clinical outcome of 91 patients who were diagnosed with treatment-refractory AML at Hacettepe University Hospital between January 2002 and June 2018. Patients' disease status included refractory AML, defined as failure to respond to standard induction chemotherapy and relapse within 6 months after first complete remission.

Results

The median follow-up was 12 months (range, 0.5-184 months) for the entire group. Kaplan-Meier estimates of the 3-year overall survival for patients who underwent allo-HSCT and patients who received only salvage chemotherapy were 67% and 12%, respectively. Additionally, the Kaplan-Meier estimates of 5-year overall survival for patients who underwent allo-HSCT and patients who received only salvage chemotherapy were 44% and 4%, respectively (P < .001). Complete remission was obtained in 25 patients (83.3%) who underwent allo-HSCT; however, the disease of only 3 patients (3.8%) exhibited complete response after salvage chemotherapy.

Conclusion

Allo-HSCT is still the best-known treatment option with curative potential in patients with treatment-refractory AML. Therefore, all efforts should be made in an attempt to find a suitable matched donor in order to perform allo-HSCT.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号